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A Comparative Analysis between Genetic Algorithms and Complex Nonlinear Least Squares on Electrical Impedance Characterization

Janeiro, F. M. ; Ramos, P.M.

A Comparative Analysis between Genetic Algorithms and Complex Nonlinear Least Squares on Electrical Impedance Characterization, Proc IEEE International Instrumentation and Technology Conf. - I2MTC, Taipei, Taiwan, Vol. 1, pp. 1273 - 1277, May, 2016.

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Abstract
This paper compares the performance of the
complex nonlinear least squares algorithm implemented in the
LEVM/LEVMW software with the performance of a genetic
algorithm in the characterization of an electrical impedance of
known topology. The effect of the number of measured frequency
points and of measurement uncertainty on the estimation of
circuit parameters is presented. The analysis is performed on the
equivalent circuit impedance of a humidity sensor.